D because 0 is always ignorant in significant figures. hope that helps:)
I'm not sure what type of fuel you're talking about. If you mean fossil fuel then kerosene has the highest density of all of the things you listed.
A particle<span> is a minute fragment or quantity of matter. In the physical sciences, a </span>particle<span> is a small localized object to which can be ascribed several physical or a</span> chemical<span> properties such as volume or mass.</span>
Well depends how fast they're going if it's a slow speed a bus but at a fast speed a bike because you wanna be careful while stopping
